radiobeacon

WordReference Random House Unabridged Dictionary of American English © 2026

ra′dio bea′con, 

1. Nautical, Naval Terms a radio station that sends a characteristic signal so as to enable ships or airplanes to determine their position or bearing by means of a radio compass.

• 1915–20

Collins Concise English Dictionary © HarperCollins Publishers::

radio beacon noun

1. a fixed radio transmitting station that broadcasts a characteristic signal by means of which a vessel or aircraft can determine its bearing or position